Operating instructions

IPDP - installation and operating instructions
7
Picture 1 Basic module - motherboard
The connection of relay contact terminals is shown on fig. 1. The “NO”
designation means an idle-disconnected contact, “COM” means a pin contact
(middle) and “NC” means an idle-connected contact. The contacts of both
switches are galvanically isolated each other and from other guard circuits. The
variants of connection are shown on picture. 2.